Watson described the purpose of psychology as: âTo predict, given the stimulus, what reaction will take place; or, given the reaction, state what the situation or stimulus is that has caused the reactionâ (1930, p. 11). * All behavior is learnt from the environment.
Additional tests including penetration,solubility, and ductility are made on the residue. Cutback asphalt grades and tests There are several grades for each of the three types ofcutbacks â rapid curing (RC), medium curing (MC), andslow curing, (SC). The grades include 70, 250, 800, and3000.
Answer Wiki. Asphalt concrete (commonly called asphalt, blacktop, or pavement in North America, and tarmac orbitumen macadam in Great Britain and Ireland) is a composite material commonly used to surface roads,parking lots, and airports. It will also cost you less time, money and effort for it to be done.